CITY OF FRANKLIN, TENNESSEE. Columbia Avenue. Widening & Improvements Project. Public Meeting May 16, 2017

Transcription

1 CITY OF FRANKLIN, TENNESSEE Columbia Avenue Widening & Improvements Project Public Meeting May 16, 2017

2 Agenda 6:00 6:30 Formal Presentation 6:30 8:00 Town Hall Forum City of Franklin Columbia Avenue Alternatives Analysis 2

3 Project Location

4 Project Timeline Planning October 2005 Nashville Area Metropolitan Planning Organization Adopts 2030 Long Range Transportation Plan January 2008 Public Meeting Held for Columbia Avenue Project November 2010 Approval of Transportation Planning Report (TPR) for Columbia Avenue Project December 2013 MPO Executive Board approved the TIP June 2014 TDOT Agrees to Participate in Columbia Avenue Project by Contributing State Funds as 20% Match (80% from Federal Sources) City of Franklin Columbia Avenue Alternatives Analysis 4

5 Project Timeline Planning, continued Preliminary Design September 2015 May 2016 January 2017 May 2017 Next Step: TDOT Notice to Proceed for Preliminary Engineering (Environmental) Phase Public Meeting #1: Corridor Visioning Public Meeting #2: Concept Layout Public Meeting #3: Concept Analysis (today!) Plus meetings with BOMA and property owners BOMA selects preferred concept to bring forward to detailed design City of Franklin Columbia Avenue Alternatives Analysis 5

6 Regional Context

7 May ,900 vehicles/day DAILY TRAFFIC TRAFFIC COMPOSITION TRAFFIC TYPE AM 7% Mid-day 7% Trucks 7% Off- Peak 79% PM 7% Cars 93% Thru Traffic 45% Local Trips 55% 11% Peak City of Franklin Columbia Avenue Alternatives Analysis 7

8 April 2016 travel time between Mack Hatcher Parkway and Downs Boulevard, in minutes. 3:10 with no traffic 5:10 average day 10:20 longest recorded City of Franklin Columbia Avenue Alternatives Analysis 8

9 Future Growth 2016 EXISTING CONDITIONS based on data from City and TDOT count stations 18,900 vehicles/day 2021 BUILD YEAR forecast conditions at project completion 19,800 vehicles/day 2041 DESIGN YEAR improvements are designed to accommodate 20 years of growth 25,400 vehicles/day City of Franklin Columbia Avenue Alternatives Analysis 9

10 Operations Safety components of comparison Physical Impact City of Franklin Columbia Avenue Alternatives Analysis 10

11 Corridor Concepts Example: Columbia Avenue at Southeast Parkway Four-Lane Median Divided Concept with center median and left-turn lanes Five-Lane Signalized Concept with continuous two-way, left-turn lane Roundabout Concept with 4-foot center median City of Franklin Columbia Avenue Alternatives Analysis 11

12 Operations Anticipated Travel Time and Average Speed, 2041 Volumes (Columbia Avenue) Four-Lane Median Divided Concept 5: mph Five-Lane Signalized Concept 4: mph Roundabout Concept 4: mph City of Franklin Columbia Avenue Alternatives Analysis 12

13 Operations Corridor Delay Existing Conditions (2016 volumes) 90 sec 110 sec 200 seconds Four-Lane Median Divided Concept (2041 volumes) 185 sec 255 sec 440 seconds Five-Lane Signalized Concept (2041 volumes) 155 sec 375 sec 530 seconds Roundabout Concept (2041 volumes) 145 sec 70 sec 215 seconds Columbia Avenue Traffic Side Street Traffic Total Delay City of Franklin Columbia Avenue Alternatives Analysis 13

14 Safety Vehicle Conflict Points (Potential for Collision) Source: FHWA Conflict Type Signal Driveway (full access) Roundabout Diverging Merging Crossing Total Vehicle Conflicts City of Franklin Columbia Avenue Alternatives Analysis 14

15 Safety Pedestrian-Vehicle Conflict Points (Potential for Collision) Source: FHWA Signal Roundabout Total Ped/Bike Conflicts 16 8 City of Franklin Columbia Avenue Alternatives Analysis 15

16 Safety Columbia Avenue Conflict Points Four-Lane Median Divided Concept 340 conflict points Five-Lane Signalized Concept 583 conflict points (377with access mgmt) Roundabout Concept 243 conflict points City of Franklin Columbia Avenue Alternatives Analysis 16

17 Safety Collision Data ( ) 7.72 collisions/ MVM MVM = Million Vehicle-Miles 2.76 collisions/ MVM 1.23 collisions/ MVM 0.58 collisions/ MVM All Collisions Fatal/Injury Collisions Columbia Avenue Actual Crash History Statewide Averages City of Franklin Columbia Avenue Alternatives Analysis 17

18 Safety 2041 Anticipated Change in Traffic Collisions Between Intersections At Intersections +41% +2% +2% -25% -25% -29% Four-Lane Median Divided Concept Five-Lane Signalized Concept Roundabout Concept City of Franklin Columbia Avenue Alternatives Analysis 18

19 Physical Impact Typical Sections Four-Lane Median Divided Concept 95' wide back of walk to back of walk Five-Lane Signalized Concept 91'wide back of walk to back of walk Roundabout Concept 83' wide back of walk to back of walk City of Franklin Columbia Avenue Alternatives Analysis 19

20 Physical Impact Four-Lane Median Divided Concept Five-Lane Signalized Concept Roundabout Concept City of Franklin Columbia Avenue Alternatives Analysis 20

21 Data Summary Four-Lane Median Divided Concept Five-Lane Signalized Concept Roundabout Concept Thru Traffic Delay 185 sec/veh 155 sec/veh 145 sec/veh Operational Performance Side Street Delay 255 sec/veh 375 sec/veh 70 sec/veh Average Travel Time 5:30 4:50 4:35 Safety Performance Between Intersections -25% fewer collisions At Intersections +2% more collisions +41% more collisions +2% more collisions -25% fewer collisions -29% fewer collisions Physical Impact Between Intersections At Intersections 95 total width AVERAGE footprint 91 total width AVERAGE footprint 83 total width INCREASED footprint City of Franklin Columbia Avenue Alternatives Analysis 21

22 next step BOMA selects preferred concept to bring forward to detailed design. City of Franklin Columbia Avenue Alternatives Analysis 22

23 Schedule Planning 18 Months Design Phase 12 Months 8 Months Right-of-Way Acquisition 18 Months Construction Phase 24 Months City of Franklin Columbia Avenue Alternatives Analysis 23

24 Thank you for coming! Please visit the website franklintn.gov/columbiaavenue Questions? City of Franklin Columbia Avenue Alternatives Analysis 24